7x+x=12+5x

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Solution for 7x+x=12+5x equation: 


Simplifying
7x + x = 12 + 5x

Combine like terms: 7x + x = 8x
8x = 12 + 5x

Solving
8x = 12 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.
8x + -5x = 12 + 5x + -5x

Combine like terms: 8x + -5x = 3x
3x = 12 + 5x + -5x

Combine like terms: 5x + -5x = 0
3x = 12 + 0
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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